The East of England Ambulance Service Trust (EEAST) issued the warning after being called to the incident shortly after 3pm yesterday.

The East Anglian Air Ambulance and a land ambulance were both dispatched to the scene off the B184.

An EEAST spokesman said: “A man in his 70s suffered a wound to his thigh and we managed to control the bleeding at the scene. He was conveyed to Broomfield Hospital by land where his condition wasn’t thought to be life threatening.”